Add Mouth Mask Feature

modules/globals.py

@@ -36,3 +36,8 @@ fp_ui: Dict[str, bool] = {"face_enhancer": False}
 camera_input_combobox = None
 webcam_preview_running = False
 show_fps = False
+mouth_mask = False
+show_mouth_mask_box = False
+mask_feather_ratio = 8
+mask_down_size = 0.50
+mask_size = 1